CVE-2006-4251
HIGH · CVSS 7.5EPSS 8.8%EU EUVD
Buffer overflow in PowerDNS Recursor 3.1.3 and earlier might allow remote attackers to execute arbitrary code via a malformed TCP DNS query that prevents Recursor from properly calculating the TCP DNS query length.
Key facts
- CVSS score
- 7.5 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P- EPSS score
- 8.8% (95th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2006-4239)
- Published
- November 14, 2006
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2006-4239 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- powerdns / recursor
- powerdns / recursor
- powerdns / recursor
- powerdns / recursor
- powerdns / recursor
- powerdns / recursor
- powerdns / recursor
- powerdns / recursor
- powerdns / recursor
- powerdns / recursor
- powerdns / recursor
- powerdns / recursor
References
- http://doc.powerdns.com/powerdns-advisory-2006-01.html(Patch, Vendor Advisory)
- http://lists.suse.com/archive/suse-security-announce/2006-Nov/0007.html
- http://secunia.com/advisories/22824(Patch, Vendor Advisory)
- http://secunia.com/advisories/22903
- http://secunia.com/advisories/22976
- http://www.debian.org/security/2006/dsa-1211
- http://www.securityfocus.com/bid/21037(Patch)
- http://www.vupen.com/english/advisories/2006/4484
- https://exchange.xforce.ibmcloud.com/vulnerabilities/30270
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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